Summary table of common benign breast diseases and how to manage them. Fibroadenoma: • Most common benign tumour of breast • Commonly in women aged 15-35 • Firm, smooth, rubbery and defined • High mobile - "breast mouse" • Painless • May be multiple and bilateral Breast cyst: • Arise from terminal duct lobular unit • Most common in perimenopausal women aged 35-50 • Fluid-filled, round mass • Not fixed to surrounding tissue • Can be painful Fat necrosis: • Fibrosis and calcification of fat cells after trauma to breast e.g. biopsy, car accident • Painless firm lump • May have area of bruising/erythema/sign of trauma Breast abscess: • Collection of pus just under skin • Associated with breastfeeding and mastitis • Usually caused by staph aureus • Hot, painful swelling • Patient may have fever Lipoma: • Benign tumour of fat cells • Present as soft, non-tender, well-circumscribed mass #breast #diseases #benign #differential #diagnosis #surgery #causes #table
